6678384 has 20 divisors (see below), whose sum is σ = 17252616. Its totient is φ = 2226112.

The previous prime is 6678383. The next prime is 6678401. The reversal of 6678384 is 4838766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69519 + ... + 69614.

Almost surely, 2^6678384 is an apocalyptic number.

It is an amenable number.

6678384 is an abundant number, since it is smaller than the sum of its proper divisors (10574232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6678384 is a wasteful number, since it uses less digits than its factorization.

6678384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139144 (or 139138 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 6678384 is about 2584.2569531686. The cubic root of 6678384 is about 188.3174055673.

The spelling of 6678384 in words is "six million, six hundred seventy-eight thousand, three hundred eighty-four".